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WLAN-Heizkoerperthermostat FRITZ! DECT 302, Display zeigt 2oe°C., Smart Home Technik, Detail, Symbolbild, Vernetzung, digital, Energiekosten, steigende Heizkosten, weisser Hintergrund, WLAN radiator thermostat FRITZ! DECT 302, display shows 2oe°C., smart home technology, detail, icon image, networking, digital, energy costs, rising heating costs, white background (KEYSTONE/mauritius images/MANFRED HABEL)